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High Scale Systems Engineer

Technology | San Francisco, CA | Full Time

Job Description

High Scale Data Engineer - All Levels

Sojern - San Francisco Bay Area

Job Description

Launched by leaders from Yahoo, Bluekai, Orbitz, Amadeus, Sabre, Avis, American Airlines and Adobe, Sojern is building the world’s leading data driven traveler prediction and optimization platform. We win with optimized data, tuned to our vertical sales and data acquisition strategy focus. Join us and together we can win the digital travel space. Work with a dynamic and flexible team whose laser focus on success provides opportunities for all.


Join us in our airy loft in SOMA, centrally located to all transportation. Our campus is SF and that can’t be beat. We offer competitive salary, equity, benefits, unlimited vacation days, equipment of your choice, fantastic coworkers, well-stocked kitchen, and team/community events.



  • Know that the core serving system is a data collecting, bid optimizing, model applying, highly concurrent, low latency machine, and nothing ticks without it.

  • Instrument the VM, the OS, the network, ensure thread liveness and count every context switch to squeeze the last drop of performance from your systems

  • Enjoy a fast paced environment that challenges you to adapt to change swiftly

  • Proven experience shipping software, or insatiable desire to do so!

  • Have the ability and desire to express your ideas, absorb other people's, influence the team, and grow

  • Know the best player is the one that makes everyone better


  • Build, tune, own the core systems that match, price, bid and measure billions of user interactions

  • Implement revenue producing features plus discover and contribute your own

  • Follow and improve best practices and procedures in the team for achieving day to day objectives

  • Ability to work independently, learn from and mentor other team members

  • Contribute to the daily Engineering team ritual of conquering the NY Times crossword puzzle

Desired Skills & Experience

Required Skills:

  • Proficiency in Java and high concurrency distributed computing

  • 3+ years production experience in one of: Java, C, C++, Python, Scala

  • 3+ experience building distributed, high availability services

  • Own a copy of Effective Java and Java Concurrency in Practice

  • Experience with one of MapReduce/Hive/Pig on hadoop

Preferred Skills:

  • Knowledge of advertising technology, business and practices

  • Experience with Amazon Web Services infrastructure (EC2, S3)

  • Experience with Google Cloud Platform

  • Experience in team based development, deployment and iteration

  • Data science background and skill set, or desire to acquire said.



  • BS/MS/PhD CS, Math, Physics or equivalent experience.



  • Location: SF or Omaha



  • Meals: Weekly catered lunches

  • Parties: Our team loves a good time

  • Snacks: Well-stocked kitchen

  • Opportunities: Training and support to help you grow

  • Charity: 40 hours/year to volunteer

  • Culture: Sojern's Culture Club organizes team volunteering and events

  • Ownership: Lead creative and challenging projects